Add explicit, separate test sections for DEFAULT and CHECK.
Use conventions common to other regression test input files. Leave non-temporary files at end of test.
This commit is contained in:
Thomas G. Lockhart
parent
829354d849
commit
b8967bfeec
@ -1,72 +1,142 @@
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--
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-- Check constraints
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-- Constraints can be specified with either DEFAULT or CHECK clauses.
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--
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--
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-- DEFAULT syntax
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--
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CREATE TABLE DEFAULT_TBL (i int DEFAULT 100,
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x text DEFAULT 'vadim', f float8 DEFAULT 123.456);
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INSERT INTO DEFAULT_TBL VALUES (1, 'thomas', 57.0613);
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INSERT INTO DEFAULT_TBL VALUES (1, 'bruce');
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INSERT INTO DEFAULT_TBL (i, f) VALUES (2, 987.654);
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INSERT INTO DEFAULT_TBL (x) VALUES ('tgl');
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SELECT '' AS four, * FROM DEFAULT_TBL;
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CREATE SEQUENCE DEFAULT_SEQ;
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CREATE TABLE DEFAULTEXPR_TBL (i1 int DEFAULT 100 + (200-199) * 2,
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i2 int DEFAULT nextval('default_seq'));
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INSERT INTO DEFAULTEXPR_TBL VALUES (-1, -2);
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INSERT INTO DEFAULTEXPR_TBL (i1) VALUES (-3);
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INSERT INTO DEFAULTEXPR_TBL (i2) VALUES (-4);
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INSERT INTO DEFAULTEXPR_TBL (i2) VALUES (NULL);
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SELECT '' AS four, * FROM DEFAULTEXPR_TBL;
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-- errors
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-- test for:
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-- extraneous comma
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-- booleans not allowed
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CREATE TABLE error_tbl (i int DEFAULT (100, ));
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CREATE TABLE error_tbl (b1 bool DEFAULT 1 < 2);
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--
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-- CHECK syntax
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--
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CREATE TABLE CHECK_TBL (x int)
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CONSTRAINT CHECK_CON CHECK (x > 3);
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INSERT INTO CHECK_TBL VALUES (5);
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INSERT INTO CHECK_TBL VALUES (4);
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INSERT INTO CHECK_TBL VALUES (3);
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INSERT INTO CHECK_TBL VALUES (2);
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INSERT INTO CHECK_TBL VALUES (6);
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INSERT INTO CHECK_TBL VALUES (1);
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CREATE SEQUENCE CHECK_SEQ;
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CREATE TABLE CHECK2_TBL (x int, y text, z int)
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CONSTRAINT SEQUENCE_CON CHECK (x > 3 and y <> 'check failed' and x < 8);
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INSERT INTO CHECK2_TBL VALUES (4, 'check ok', -2);
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INSERT INTO CHECK2_TBL VALUES (1, 'x check failed', -2);
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INSERT INTO CHECK2_TBL VALUES (5, 'z check failed', 10);
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INSERT INTO CHECK2_TBL VALUES (0, 'check failed', -2);
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INSERT INTO CHECK2_TBL VALUES (6, 'check failed', 11);
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INSERT INTO CHECK2_TBL VALUES (7, 'check ok', 7);
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--
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-- Check constraints on INSERT
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drop sequence seq;
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drop table test;
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create sequence seq;
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create table test (x int default nextval ( 'seq') ,
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y text default '-NULL-', z int default -1 * currval('seq') )
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constraint test1 check (x > 3 and y <> 'check failed' and x < 8 ),
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check x + z = 0;
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insert into test values (null, null, null);
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insert into test values (null, null, -2);
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select * from test;
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select nextval('seq');
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insert into test values (null, null, null);
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insert into test values (1, null, -2);
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insert into test values (7, null, -7);
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insert into test values (5, 'check failed', -5);
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insert into test values (7, '!check failed', -7);
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insert into test values (null, null, null);
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select * from test;
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insert into test values (null, 'check failed', 5);
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insert into test values (5, 'check failed', null);
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insert into test values (5, '!check failed', null);
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insert into test values (null, null, null);
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select * from test;
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insert into test values (null, null, null);
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select currval('seq');
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--
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CREATE SEQUENCE INSERT_SEQ;
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CREATE TABLE INSERT_TBL (x INT DEFAULT nextval('insert_seq'),
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y TEXT DEFAULT '-NULL-', z INT DEFAULT -1 * currval('insert_seq') )
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CONSTRAINT INSERT_CON CHECK (x > 3 AND y <> 'check failed' AND x < 8),
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CHECK x + z = 0;
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INSERT INTO INSERT_TBL VALUES (null, null, null);
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INSERT INTO INSERT_TBL VALUES (null, null, -2);
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SELECT * FROM INSERT_TBL;
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SELECT nextval('insert_seq');
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INSERT INTO INSERT_TBL VALUES (null, null, null);
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INSERT INTO INSERT_TBL VALUES (1, null, -2);
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INSERT INTO INSERT_TBL VALUES (7, null, -7);
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INSERT INTO INSERT_TBL VALUES (5, 'check failed', -5);
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INSERT INTO INSERT_TBL VALUES (7, '!check failed', -7);
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INSERT INTO INSERT_TBL VALUES (null, null, null);
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SELECT * FROM INSERT_TBL;
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INSERT INTO INSERT_TBL VALUES (null, 'check failed', 5);
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INSERT INTO INSERT_TBL VALUES (5, 'check failed', null);
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INSERT INTO INSERT_TBL VALUES (5, '!check failed', null);
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INSERT INTO INSERT_TBL VALUES (null, null, null);
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SELECT * FROM INSERT_TBL;
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INSERT INTO INSERT_TBL VALUES (null, null, null);
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SELECT currval('insert_seq');
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--
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-- Check constraints on INSERT INTO
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--
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drop table test;
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drop sequence seq;
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create sequence seq start 4;
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create table dummy (xd int, yd text, zd int);
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DELETE FROM INSERT_TBL;
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DROP SEQUENCE INSERT_SEQ;
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CREATE SEQUENCE INSERT_SEQ START 4;
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CREATE TABLE TEMP (xd INT, yd TEXT, zd INT);
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create table test (x int default nextval ( 'seq') ,
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y text default '-NULL-', z int default -1 * currval('seq') )
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constraint test1 check (x > 3 and y <> 'check failed' and x < 7 ), check
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x + z = 0;
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SELECT nextval('insert_seq');
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INSERT INTO TEMP VALUES (null, null, null);
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INSERT INTO TEMP VALUES (5, '!check failed', null);
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INSERT INTO TEMP VALUES (null, 'try again', null);
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INSERT INTO INSERT_TBL SELECT * FROM TEMP;
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SELECT * FROM INSERT_TBL;
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INSERT INTO INSERT_TBL SELECT * FROM TEMP WHERE yd = 'try again';
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SELECT * FROM INSERT_TBL;
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select nextval('seq');
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insert into dummy values (null, null, null);
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insert into dummy values (5, '!check failed', null);
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insert into dummy values (null, 'try again', null);
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insert into test select * from dummy;
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select * from test;
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insert into test select * from dummy where yd = 'try again';
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DROP TABLE TEMP;
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--
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-- Check constraints on UPDATE
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update test set x = null where x = 6;
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select currval('seq');
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--
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UPDATE INSERT_TBL SET x = NULL WHERE x = 6;
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SELECT currval('insert_seq');
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SELECT * FROM INSERT_TBL;
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UPDATE INSERT_TBL SET x = 6 WHERE x = 6;
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SELECT * FROM INSERT_TBL;
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UPDATE INSERT_TBL SET x = -z, z = -x;
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SELECT * FROM INSERT_TBL;
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--
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-- Check constraints on COPY FROM
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drop table test;
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drop sequence seq;
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create sequence seq start 4;
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create table test (x int default nextval ( 'seq') ,
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y text default '-NULL-', z int default -1 * currval('seq') )
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constraint test1 check (x > 3 and y <> 'check failed' and x < 7 ), check
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x + z = 0;
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copy test from '_OBJWD_/data/constro.data';
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select * from test;
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copy test from '_OBJWD_/data/constrf.data';
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select * from test;
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select nextval('seq') - 1 as currval;
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--
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-- Clean up
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drop sequence seq;
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drop table test;
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CREATE SEQUENCE COPY_SEQ START 4;
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CREATE TABLE COPY_TBL (x INT DEFAULT nextval('copy_seq'),
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y TEXT DEFAULT '-NULL-', z INT DEFAULT -1 * currval('copy_seq') )
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CONSTRAINT COPY_CON CHECK (x > 3 AND y <> 'check failed' AND x < 7 ),
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CHECK x + z = 0;
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COPY COPY_TBL FROM '_OBJWD_/data/constro.data';
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SELECT * FROM COPY_TBL;
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COPY COPY_TBL FROM '_OBJWD_/data/constrf.data';
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SELECT * FROM COPY_TBL;
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select nextval('copy_seq') - 1 as currval;
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